/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2004-2010 Juli Mallett <jmallett@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_TLB_H_
#define _MACHINE_TLB_H_
/*
* The first TLB entry that write random hits.
* TLB entry 0 maps the kernel stack of the currently running thread
* TLB entry 1 maps the pcpu area of processor (only for SMP builds)
*/
#define KSTACK_TLB_ENTRY 0
#ifdef SMP
#define PCPU_TLB_ENTRY 1
#define VMWIRED_ENTRIES 2
#else
#define VMWIRED_ENTRIES 1
#endif /* SMP */
/*
* The number of process id entries.
*/
#define VMNUM_PIDS 256
extern int num_tlbentries;
void tlb_insert_wired(unsigned, vm_offset_t, pt_entry_t, pt_entry_t);
void tlb_invalidate_address(struct pmap *, vm_offset_t);
void tlb_invalidate_all(void);
void tlb_invalidate_all_user(struct pmap *);
void tlb_invalidate_range(struct pmap *, vm_offset_t, vm_offset_t);
void tlb_save(void);
void tlb_update(struct pmap *, vm_offset_t, pt_entry_t);
#endif /* !_MACHINE_TLB_H_ */
